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Adopters

This is a list of organizations that have spoken publicly about their adoption or production users that have added themselves (in alphabetical order):

  • Appsflyer uses OPA to make consistent authorization decisions by hundreds of microservices for UI and API data access. All authorization decisions are delegated to OPA that is deployed as a central service. The decisions are driven by flexible policy rules that take into consideration data privacy regulations and policies, data consents and application level access permissions. For more information, see the Appsflyer Engineering Blog post.

  • Atlassian uses OPA in a heterogeneous cloud environment for microservice API authorization. OPA is deployed per-host and inside of their Slauth (AAA) system. Policies are tagged and categorized (e.g., platform, service, etc.) and distributed via S3. Custom log infrastructure consumes decision logs. For more information see this talk from OPA Summit 2019.

  • Bisnode uses OPA for a wide range of use cases, including microservice authorization, fine grained kubernetes authorization, validating and mutating admission control and CI/CD pipeline testing. Built and maintains some OPA related tools and libraries, primarily to help integrate OPA in the Java/JVM ecosystem, see github.com/Bisnode.

  • bol.com uses OPA for a mix of validating and mutating admission control use cases in their Kubernetes clusters. Use cases include patching image pull secrets, load balancer properties, and tolerations based on contextual information stored on namespaces. OPA is deployed on multiple clusters with ~100 nodes and ~300 namespaces total.

  • BNY Mellon uses OPA as a sidecar to enforce access control over applications based on external context coming from AD and other internal services. For more information see this talk from QCon 2019.

  • Capital One uses OPA to enforce a variety of admission control policies across their Kubernetes clusters including image registry allowlisting, label requirements, resource requirements, container privileges, etc. For more information see this talk from KubeCon US 2018 and this talk from OPA Summit 2019.

  • Chef integrates OPA to implement IAM-style access control and enumerate user->resource permissions in Chef Automate V2. The integration utilizes OPA's Partial Evaluation feature to reduce evaluation time (in exchange for higher update latency.) A high-level description can be found in this blog post, and the code is Open Source, see github.com/chef/automate.

  • cluetec.de primarily uses OPA to enforce fine-grained authorization and data-filtering policies in its Spring-based microservices and multi-tenant SaaS. Policies are mapped to tenant-specific domains and used to enrich the database queries without any code modifications. OPA is also used to enforce admission control policies and RBAC in multi-tenant Kubernetes clusters.

  • Cloudflare uses OPA as a validating admission controller to prevent conflicting Ingresses in their Kubernetes clusters that host a mix of production and test workloads.

  • ControlPlane uses OPA to enforce enterprise-friendly policy for safe adoption of Kubernetes, Istio, and cloud services. OPA policies are validated and tested individually and en masse with unit tests and conftest. This enables developers to validate local changes against production policies, minimise engineering feedback loops, and reduce CI cycle time. Policies are tested as "SDLC guardrails", then re-validated at deployment time by a range of OPA-based admission controllers, covering single-tenant environments and hard multi-tenancy configurations.

  • Fugue is a cloud security SaaS that uses OPA to classify compliance violations and security risks in AWS and Azure accounts and generate compliance reports and notifications.

  • Goldman Sachs uses OPA to enforce admission control policies in their multi-tenant Kubernetes clusters as well as for provisioning RBAC, PV, and Quota resources that are central to the security and operation of these clusters. For more information see this talk from KubeCon US 2019.

  • Intuit uses OPA as a validating and mutating admission controller to implement various security, multi-tenancy, and risk management policies across approximately 50 clusters and 1,000 namespaces. For more information on how Intuit uses OPA see this talk from KubeCon Seattle 2018.

  • Jetstack uses OPA on customer projects to validate resources deployed to Kubernetes environments are conformant with organization rules. This has involved both validating and mutating resources as well as the following related projects: conftest, konstraint, and Gatekeeper. Jetstack also uses OPA via the Golang API in Jetstack Secure to automate the checking of resources against our best practice recommendations.

  • Medallia uses OPA to audit AWS resources for compliance violations. The policies search across state from Terraform and AWS APIs to identify security violations and identify high-risk configurations. The policies ingest 1,000s of AWS resources to generate the final report.

  • Mercari uses OPA to enforce admission control policies in their multi-tenant Kubernetes clusters. It helps maintain the governance of the cluster, checking that developers are following the best practices in the admission controller. They also use confest to enforce policies in their CI/CD pipeline.

  • Netflix uses OPA as a method of enforcing access control in microservices across a variety of languages and frameworks for thousands of instances in their cloud infrastructure. Netflix takes advantage of OPA's ability to bring in contextual information and data from remote resources in order to evaluate policies in a flexible and consistent manner. For a description of how Netflix has architected access control with OPA check out this talk from KubeCon Austin 2017.

  • Pinterest uses OPA to solve multiple policy-related use cases including access control in Kafka, Envoy, and Jenkins! At peak, their Kafka-OPA integration handles ~400K QPS without caching. With caching the system handles ~8.5M QPS. For more information see this talk from OPA Summit 2019.

  • Plex Systems uses OPA to enforce policy throughout their entire release process; from local development to continuous production audits. The CI/CD pipelines at Plex leverage conftest, a policy enforcement tool that relies on OPA, to automatically reject changes that do not adhere to defined policies. Plex also uses Gatekeeper, a Kubernetes policy controller, as a means to enforce policies within their Kubernetes clusters. The general-purpose nature of OPA has enabled Plex to have a consistent means of policy enforcement, no matter the environment.

  • Splash uses OPA to handle fine-grained authorization across its entire platform, implemented as both a sidecar in Kubernetes and a separate container on bare instances. Policies and datasets are recompiled and updated based on changes to users' roles and permissions.

  • SAP/InfraBox integrates OPA to implement authorization over HTTP API resources. OPA policies evaluate user and permission data replicated from Postgres to make access control decisions over projects, collaborators, jobs, etc. SAP/Infrabox is used in production within SAP and has several external users.

  • T-Mobile uses OPA as a core component for their MagTape project that enforces best practices and secure configurations across their fleet of Kubernetes clusters (more info in this blog post). T-Mobile also leverages OPA to enforce authorization workflows within their Corporate Delivery Platform (CI/CD).

  • Tremolo Security uses OPA at a London-based financial services company to inject annotations and volume mount parameters into Kubernetes Pods so that workloads can connect to off-cluster CIFS drives and SQL Server instances. Policies are based on external context sourced from OpenUnison. Ability to validate policies offline is a huge win because the clusters are air-gapped. For more information on how Tremolo Security uses OPA see this blog post.

  • Tripadvisor uses OPA to enforce admission control policies in Kubernetes. In the process of rolling out OPA, they created an integration testing framework that verifies clusters are accepting and rejecting the right objects when OPA is deployed. For more information see this talk from OPA Summit 2019.

  • Very Good Security (VGS) integrates OPA to implement a fine-grained permission system and enumerate user->resource permissions in their product. The backend is architected as a collection of (polyglot) microservices running on Kubernetes that offload policy decisions to OPA sidecars. VGS has implemented a synchronization protocol on top of the Bundle and Status APIs so that the system can determine when permission updates have propagated. For more details on the VGS use case see these blog posts: part 1, part 2.

  • Xenit AB uses OPA to implement fine-grained control over resource formulation in its managed Kubernetes service as well as several customer-specific implementations. For more information, see the Kubernetes Terraform library OPA Gatekeeper module and OPA Gatekeeper policy library.

  • Yelp use OPA and Envoy to enforce authorization policies across a fleet of microservices that evolved out of a monolithic architecture. For more information see this talk from KubeCon US 2019.

In addition, there are several production adopters that prefer to remain anonymous.

  • A Fortune 100 company uses OPA to implement validating admission control and fine-grained authorization policies on ~10 Kubernetes clusters with ~1,000 nodes. They also integrate OPA into their PKI as part of a Certificate RA that serves these clusters.

This is a list of adopters in early stages of production or pre-production (in alphabetical order):

  • Aserto is a venture-backed developer API company that helps developers easily build permissions and roles into their SaaS applications. Aserto uses OPA as its core engine, and has contributed projects such as Open Policy Registry and OPA Runtime that make it easier for developers to incorporate OPA policies and the OPA engine into their applications.

  • Cyral is a venture-funded data security company. Still in stealth mode but using OPA to manage and enforce fine-grained authorization policies.

  • build.security is a venture-funded cyber security company, making it easy for developers to build role-based and attribute-based access controls to their applications and services. build.security is leveraging OPA and rego at their core technology.

  • ORY Keto replaced their internal decision engine with OPA. By leveraging OPA, ORY Keto was able to simplify their access control server implementation while retaining the ability to easily add high-level models like ACLs and RBAC. In December 2018, ~850 ORY Keto instances were running in a mix of pre-production and production environments.

  • Permit.io Uses a combination of OPA and OPAL to power fine-grained authorization policies at the core of the Permit.io platform. Permit.io leverages the power of OPA's Rego language, generating new Rego code on the fly from its UI policy editor. The team behind Permit.io contributes to the OPA ecosystem - creating opens-source projects like OPAL- making OPA event-driven) and OPToggles - sync Frontend with open-policy.

  • Scalr is a remote operations backend for Terraform that helps users scale their Terraform usage through automation and collaboration. Scalr uses OPA to validate Terraform code against organization standards and allows for approvals prior to a Terraform apply.

  • Spacelift is a specialized CI/CD platform for infrastructure-as-code. Spacelift is using OPA to provide flexible, fine-grained controls at various application decision points, including automated code review, defining access levels or blocking execution of unwanted code.

Other adopters that have gone into production or various stages of testing include:

If you have adopted OPA and would like to be included in this list, feel free to submit a PR.